Constant price, better service, on the banquet, the best choice! Qingdao Seafood City.
2
该试验对青岛本地取材容易、价格低廉的轻基质及其组配的复合基质的物理、化学特性进行了研究。
The physical and chemical characteristics of light media and complex media, which are local cheap materials in Qingdao, were studied in this experiment.